Shadows and light form abstract patterns at Dallas’ NorthPark Center.
Stairs climb the outside of an oil tank near North Texas’ Hagerman National Wildlife Refuge.
A large tree stump at Ketchikan, Alaska’s Totem Bight State Park.
Detail of old silos in Celina, Texas.
A Joshua tree casts as shadow on rocks at California’s Mojave National Preserve.
A tree grows amongst the Mayan ruins at San Gervasio, Cozumel, Mexico.
The evening sun casts shadows from trees at McKinney, Texas’ Erwin Park.